TCP SYN (p0f)

4:49+15:0:1460:mss*44,0:mss,nop,nop,sok:df,id+:0

first seen 2026-08-27 14:49 · last seen 2026-08-27 14:49 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

IP version4
Initial TTL49+15
Options length0
MSS1460
Window sizemss*44
Window scale0
Options layoutmss,nop,nop,sok
Quirksdf,id+
Payload class0

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t13d2913h1_723694b0fccc_5671b5df50292

HTTP request (JA4H)

fingerprintco-occurrences
ge11nr11frfr_835281d8e5d9_000000000000_0000000000001
ge11nr11frfr_b350a6a7c155_000000000000_0000000000001

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-1-1-4_1460_002

User-Agent

fingerprintco-occurrences
Mozilla/5.0 (iPad; CPU OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.12

Country

fingerprintco-occurrences
FR · France2

Network (ASN)

fingerprintco-occurrences
AS3215 · Orange S.A.2